In 1983, Joe MacMillan, a key player in the debut of the IBM Personal Computer, questions college students about their knowledge of several computing categories; one of the students, Cameron Howe, challenges him. Joe is hired as a sales executive at Cardiff Electric, a Dallas-based mainframe software company, by vice president John Bosworth. Joe came to Cardiff to recruit sales engineer Gordon Clark into reverse engineering an IBM PC with him after reading an article Gordon wrote in BYTE on the
After surviving a visit from IBM, Joe's team must overcome internal differences and begin the technical feat of building the new machine.
Gordon and Cameron struggle to make Joe's vision a reality; Joe and Bosworth seek the funds to make the new machine.
As Cameron nears completion of the BIOS, a crisis threatens the project's future and requires all hands on deck to save the machine.
Cameron bristles under a new manager as Joe and Gordon attempt to procure a key piece of new technology for the computer.
A breakthrough by Cameron places her at odds with Gordon, leaving Joe to make a tough decision. Meanwhile, Hurricane Alicia spurs some personal revelations.
A visitor from Joe's past threatens his newfound connection with Cameron. Meanwhile, with Donna out of town, the toll of Gordon's work catches up with him.
Scandal hits Cardiff Electric as the team finalizes preparations for COMDEX. Meanwhile, Bosworth makes a sacrifice for the good of the PC program.
Unforeseen opponents and new complications threaten to derail the Cardiff Electric team's work at COMDEX.
Gordon and Joe prepare to transport the Giant. A suspicious defect causes a rift in the partnership.